orthotropic

dip f

dip angle [degrees] of the plane defined by axes 1’-2’

dip-direction f

dip direction [degrees] of the plane defined by axes 1’-2’

normal v

normal direction of the planes of symmetry, ($n_x,n_y,n_z$)

normal-x f

x-component of unit normal to plane defined by axes 2’-3’, $n_x$

normal-y f

y-component of unit normal to plane defined by axes 1’-3’, $n_y$

normal-z f

z-component of unit normal to plane defined by axes 1’-2’, $n_z$

poisson-12 f

Poisson’s ratio characterizing lateral contraction in direction 1’ when tension is applied in direction 2’, ${\nu}_{12}$

poisson-13 f

Poisson’s ratio characterizing lateral contraction in direction 1’ when tension is applied in direction 3’, ${\nu}_{13}$

poisson-23 f

Poisson’s ratio characterizing lateral contraction in direction 2’ when tension is applied in direction 3’, ${\nu}_{23}$

shear-12 f

shear modulus in planes parallel to axes 1’-2’, $G_{12}$

shear-13 f

shear modulus in planes parallel to axes 1’-3’, $G_{13}$

shear-23 f

shear modulus in planes parallel to axes 2’-3’, $G_{23}$

young-1 f

Young’s modulus in direction 1’, $E_{1}$

young-2 f

Young’s modulus in direction 2’, $E_{2}$

young-3 f

Young’s modulus in direction 3’, $E_{3}$